• Title/Summary/Keyword: BLS

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Methods to Predict Demand for Workforce in New & Renewable Energy Industry (신.재생에너지 인력수요전망 방법론 및 사례 연구)

  • Lee, You-Ah;Heo, Eunn-Yeong
    • New & Renewable Energy
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    • v.7 no.3
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    • pp.36-45
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    • 2011
  • Prediction of demand for workforce in new and renewable energy is precondition for sustainable growth of an industry. The purpose of this research is to review prediction methods and case studies of workforce in new and renewable energy industry. This research compares the three methods in the focused on possibility of applying in renewable energy industry; survey, input-output and labor function estimation methods. Also, three cases are reviewed in the focused on applied method; Korea, America and Australia. As a result, the survey method was wildly used in the new and renewable industry. Also the improvement rates of work force are difference depending on the methodology. This result can be applied to set up the policy of human resource development of renewable energy.

Bearing Load Distribution Studies in a Multi Bearing Rotor System and a Remote Computing Method Based on the Internet

  • Yang, Zhao-Jian;Peng, Ze-Jun;Kim, Seock-Sam
    • Journal of Mechanical Science and Technology
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    • v.18 no.6
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    • pp.946-954
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    • 2004
  • A model in the form of a Bearing Load Distribution (BLD) matrix in the Multi Bearing Rotor System (MBRS) is established by a transfer matrix equation with the consideration of a bearing load, elevation and uniform load distribution. The concept of Bearing Load Sensitivity (BLS) is proposed and matrices for load and elevation sensitivity are obtained. In order to share MBRS design resources on the Internet with remote customers, the basic principle of Remote Computing (RC) based on the Internet is introduced ; the RC of the BLD and BLS is achieved by Microsoft Active Server Pages (ASP) technology.

Relative Intensity Noise Suppression of Spectrum-Sliced Channels Using Polarization-Independent Optical Modulators

  • Kim, Hyung Hwan;Manandhar, Dipen;Lee, Jae Seung
    • Journal of the Optical Society of Korea
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    • v.18 no.6
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    • pp.646-649
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    • 2014
  • Performances of spectrum-sliced channels are strongly affected by their relative intensity noise (RIN). We use polarization-independent optical modulators (PIOMs) for spectrum-sliced channels to suppress their RIN. The PIOM driven by a high sinusoidal voltage signal evenly redistributes optical frequency components in the spectral domain and reduces the RIN. It can be used at a broadband light source (BLS) output to produce spectrum-sliced channels having lower RIN values. Also, it can be used for each spectrum-sliced channel within each optical network unit (ONU). In our experiment, where 12.5-GHz-spaced spectrum-sliced channels are used in 1-GbE speed, the use of PIOM at the BLS output reduces the bit error rate (BER) of the spectrum-sliced channel by more than an order of magnitude. The use of PIOM within the ONU reduces the BER by approximately 3 orders of magnitude.

Deleterious Effects of Hyperoxemic Extracorporeal Circulation during Cardiovascular Surgery

  • Park, Seok-Cheol
    • Biomedical Science Letters
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    • v.7 no.1
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    • pp.7-15
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    • 2001
  • Although extracorporeal circulation (ECC) has been routinely used for cardiovascular surgery, hyperoxemia during ECC may produce oxygen toxicity and cellular injury. This study was performed to investigate the clinical influences of hyperoxemic ECC during cardiovascular operation. 40 adult patients scheduled for elective cardiovascular surgery were classified into normoxemic (arterial oxygen tension: 115 mmHg, n=20) and hyperoxemic (arterial oxygen tension: 380 mmHg, n=20) ECC. At preoperative and postoperative period, total leukocyte and neutrophil counts, platelet counts, iron, glucose, aspartate aminotransferase (AST), alanine aminotransferase (ALT), blood urea nitrogen (BUN), and creatinine in peripheral arterial blood, malondialdehyde (MDA) and troponin-T concentration (TnT) in coronary sinus blood, pulmonary vascular resistance (PVR), and postoperative blood loss volume (BLS) were measured and compared between groups. Hyperoxemic group had postoperatively higher total leukocyte and neutrophil counts, MDA, TnT, PVR total BLS, iron, glucose, AST, ALT, BUN, and creatinine than normoxemic group (p<0.05).0 conclusion, hyperoxemic ECC results in greater inflammatory response and oxidative damaging effects on the heart lung, liver and kidney, probably being adverse to postoperative patient recovery. For reducing these deleterious effects and improving postoperative outcomes, management lowering oxygen tension during ECC is recommended.

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1.25 Gb/s Broadcast Signal Transmission in WDM-PON Based on Mutually Injected Fabry-Perot Laser Diodes

  • Yoo, Sang-Hwa;Mun, Sil-Gu;Kim, Joon-Young;Lee, Chang-Hee
    • Journal of the Optical Society of Korea
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    • v.16 no.2
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    • pp.101-106
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    • 2012
  • We demonstrate a cost effective broadcast signal transmission at 1.25-Gb/s with 100 GHz channel spacing based on a broadband light source (BLS) for a wavelength division multiplexing-passive optical network (WDM-PON). The BLS is implemented by using mutually injected Fabry-Perot laser diodes (MI F-P LDs). The error-free transmission without a forward error correction (FEC) is achieved by its low relative intensity noise (RIN). The number of usable modes is determined by RIN and/or extinction ratio (ER) in the spectrum sliced light output.

A Study on Development of Advanced Emergency care Instructor Qualification Course (전문응급처치 강사자격 교육과정 개발에 관한 연구)

  • Yu, Sun-Gyu
    • The Korean Journal of Emergency Medical Services
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    • v.7 no.1
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    • pp.5-28
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    • 2003
  • The purpose of this study which was conducted by framing of standardized advanced emergency care instructor qualification course outline and training competent instructor Course development based on following educational principle and it would be expected more improved aspect. Advanced Emergency care Instructor Qualification Course Development (1) based on advanced emergency care instructor job analysis and paramedic job description. (2) Learning of emergency care instructor qualification course is continuous. It is important to begin at the learner's level of knowledge and to relate new learning to information the learner needs. (3) Learning of emergency care instructor qualification course is purposeful and must make sense to the learner. Progress in learning must make sense to the learner. Progress in learning must be constantly appraised through feedback. The purpose of learning BLS information and skills must be kept in sharp focus. (4) Learning involves as many senses as possible. The more stimulating a learner activity is to the senses, the longer the information will be retained. Conservative figures indicate that 75% of what is heard is for-gotten after 2 days. It has been said that learners remember (5) Learning activities must be appropriate for the emergency situation through the PBL educational method. In BLS lecture skill learning, the greatest proportion of class time should be spent in manikin practice, using performance sheets as a learning tool or guide. (6) Learning must be stimulating. Instructors can motivate learners by helping them achieve higher levels of proficiency and encouraging other levels of course completion, such as instructor and instructor trainer. (7) Learning is affected by the physical and social environment. The physical environment should be conducive to both the kind of learning taking place and the activities used for learning. Advanced emergency care instructor qualification course organized educational psychology, educational methodology I,II,III, educational material making skill, lecture & conversational skill, BLS theory & pratice lecture skill, minic lecture designed PBL module. test of minic lecture & pratice lecture skill. Advanced emergency care instructor qualification course continued to active instructor training and motivated to active EMS system.

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Effects of Simulation-based Training for Basic Life Support Utilizing Video-assisted Debriefing on Non-Technical and Technical Skills of Nursing Students (비디오 디브리핑을 이용한 기본소생술 시뮬레이션 교육이 간호학생의 비기술적 술기와 기술적 술기 수행능력에 미치는 효과)

  • Koh, Jin Hwa;Hur, Hea Kung
    • Korean Journal of Adult Nursing
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    • v.28 no.2
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    • pp.169-179
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    • 2016
  • Purpose: The purpose of this study was to investigate the effects of simulation-based training (SBT) for basic life support (BLS) utilizing video-assisted debriefing (VAD) about non-technical skills (NTSs) and technical skills (TSs). The goal of the proposed study is the evaluation of a teaching method about the correct application of cardiopulmonary resuscitation (CPR). Methods: The study design was a control group pre- and post-test non-synchronized experimental design. The sample included twelve teams of 36 nursing students. Both the experimental and the control groups received the SBT for BLS. Only the experimental groups received VAD where as the control groups had a verbal debriefing. Raters who used checklists for TSs and NTSs evaluated both groups. Data were analyzed by the SPSS 20.0 using Cronbach's ${\alpha}$, Intraclass Correlation Coefficient (ICC), Mann-Whitney U test and Willcoxon signed rank test. Results: The experimental groups scored higher than the control groups in both TSs (p=.004) and the NTSs (p=.008). Conclusion: The findings of this study suggest that NTSs are an important factor that lead CPR successfully, so VAD can be used as an efficient teaching-learning strategy in the SBT for BLS for nursing students and nurses.

Effects of Basic Life Support Education Program in Middle School Students' Basic Cardiac Life Support Knowledge, Attitude and Performance (기본심폐소생술 교육프로그램이 중학생의 기본심폐소생술 관련 지식, 태도 및 수행능력에 미치는 효과)

  • Lee, Ji-Min;Paek, Kyung-Shin
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.14 no.10
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    • pp.4927-4934
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    • 2013
  • The purpose of this study was to evaluate the effects of BLS education program in middle school students and their retention period. The participants were 70 middle school students in D와 Y middle school in D city. Data were collected from 16th July to 26th November in 2012. Students were tested for their knowledge, attitude before, immediately after, 8 weeks after, 16 weeks after BLS eduction. Data were analyzed frequency, percentage, $x^2$-test, t-test and repeated measured ANOVA using SPSS/PC 21.0 statistical program. Knowledge, attitude, performance ability were significantly increased experimental group compared to control group. Knowledge and attitude 8 weeks after, and performance ability were significantly decreased compared to 8 weeks after. And Knowledge, attitude, and performance ability were significant decreased among groups. Therefore, to maintain the knowledge attitude and skills of BLS, appropriate renewal time are necessary in regular school health curriculum.